disparagement vs firebug

disparagement and firebug both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
firebug	Yes	No	No	No

disparagement (noun)	firebug (noun)
the act of speaking contemptuously of	a true bug: brightly colored bug that can exude a stain
a communication that belittles somebody or something	a criminal who illegally sets fire to property